Hi all,
As many others inhere I am trying to figure out how gamekit works. At the moment I am able to invite a friend and accept it. But what I am not able to do is to fetch pending invites, if the player missed the notification how can I present missed invitations to the player? Assuming the other side will wait of course to get connected.
User 1 > sends invite to User 2
User 2 > was too late and missed the notification
User 1 > still waiting for User 2 to accept
User 2 > can't find the pending invitation anywhere
what I have so far:
func player(_ player: GKPlayer, didAccept invite: GKInvite) {
pendingInvite = invite
print("invite = \(invite)")
GKMatchmaker.shared().match (for: invite, completionHandler: {
(InvitedMatch, error) in
if error != nil {
if let description = error?.localizedDescription {
print("Error creating match from invitation: \(description)")
}
} else {
print ( "NO ERROR")
self.update(with: InvitedMatch)
}
})
}
func update(with match: GKMatch?) {
self.multiplayerMatch = match
self.multiplayerMatch?.delegate = self
if !multiplayerMatchStarted && multiplayerMatch?.expectedPlayerCount == 0 {
print ("Ready to start the match MatchMaker")
delegate?.matchStarted()
} else {
print ("no players")
}
}
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This question is somewhat related to : https://developer.apple.com/forums/thread/652404
There seems no way to observe for incoming invitations in Game Kit, so I am looking for alternatives. Perhaps one alternative is adding an observer to GKInvite? Is this at all possible, and if so how do I create one?
I am trying :
GKInvite().addObserver(GKInvite(), forKeyPath: GKInvite().sender , options: .initial, context: GKPlayer)
and
GKInvite().observe( \GKInvite.sender , options: .initial){ person, change in
										print ( "SMTH CHANGED", person, change )
								}
The last one gives me a warning : Result of call to 'observe(_:options:changeHandler:)' is unused
But perhaps someone here knows if it is at all possible and if so, how?
GKInvite is an NSObject, and from what I have learned so far, its possible to observer for changes in an NSObject.
Thanks in advance
I am trying to implement GameKit in SwiftUI using iOS 14.5.
I can connect and retrieve leaderboard on a real physical iPhone and on the simulator. However when I try to connect using GKMatchRequest from physical iPhone to the simulator I get an error. There are no issues when I try to connect from physical to physical phone. Is this a known issue? Is there something I should do that I am not aware of? The odd part is that, as said, physical to physical works fine.
Domain=GKErrorDomain Code=3 "The requested operation could not be completed due to an error communicating with the server." UserInfo={GKServerStatusCode=5030
The requested operation could not be completed due to an error communicating with the server., NSUnderlyingError=0x281bb8db0
No registration for peer
thanks in advance
How do I get the visible screen area dimensions of SKScene while using Spriteview?
I used to do :
let bottomLeft = convertPoint(fromView: .zero)
But when I do that now I get nan, nan
I read about GeometryReader, because its SwiftUI casting a SKScene (lack for better wording). So I should be able to get the needed information out of GeometryReader. But have no idea how.
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I want to use @State for my gamescene variable, because SKScene will reset itself when the view does a refresh.
struct GameSceneView: View {
@EnvironmentObject var gameCenterManager:GameCenterManager
@State var scene = GameScene()
init() {
scene.size = CGSize(width: 1000, height: 1800)
scene.scaleMode = .aspectFill
// doing it as below will throw an error.
//scene.gameCenterManager = gameCenterManager
}
var body: some View {
SpriteView(scene: scene )
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.ignoresSafeArea()
.overlay(ImageOverlay(), alignment: .bottomTrailing)
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}
}